nkysdb: 共著者関連データベース
ROBERTUS U.M. 様の 共著関連データベース
+(A list of literatures under single or joint authorship with "ROBERTUS U.M.")
共著回数と共著者名 (a list of the joint author(s))
発行年とタイトル (Title and year of the issue(s))
1987: Seismic Observation by a Pop up Type OBS Array and a Portable Seimometer on Land in and around the Southwestern Part of the Java Island